US2434751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool
Assignee: Kearney and Trecker Corp
•
Filing: 1942-12-26
•
Granted: 1948-01-20
•
Expires: 1962-12-26
Abstract
No abstract record available.
Inventors
- 👤 Trecker Theodore
- 👤 Joseph B Armitage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:31
CPC Classifications
B; B23; B23C; B23C1/00; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/306664; Y10T409/307672; Y10T409/307728
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US565642A
Cited
US1602860A
Cited
US1873375A
Cited
US1838816A
Cited
US2081288A
Cited
US2149791A
Cited
US2263928A
Cited
US2259489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-19 | 1951-07-21 | 1952-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-19 | 1955-07-21 | 1956-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-19 | 1959-07-21 | 1960-01-20 | $7700.00 | Window Closed / Lapsed |